package com.yin.myproject.netty.quickstart;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

/**
 * Netty时间服务器客户端TimeClientHandler
 *
 * @author Eason
 * @create 2017-12-17 21:45
 **/
public class NettyTimeClientHandler extends ChannelHandlerAdapter {

    private int counter;
    private byte[] req;

    /**
     * Creates a client-side handler
     */
    public NettyTimeClientHandler() {
        req = ("QUERY TIME ORDER" + System.getProperty("line.separator")).getBytes();
    }

    public void channelActive(ChannelHandlerContext ctx) {
        ByteBuf message;
        for (int i = 0; i < 100; i++) {
            message = Unpooled.buffer(req.length);
            message.writeBytes(req);
            ctx.writeAndFlush(message);
        }
    }

    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
//        ByteBuf buf = (ByteBuf) msg;
//        byte[] req = new byte[buf.readableBytes()];
//        buf.readBytes(req);
//        String body = new String(req, "UTF-8");
        String body = (String) msg;
        System.out.println("Now is : " + body+" ; the counter is : " + ++counter);
    }

    public void exceptionCaught(ChannelHandlerContext ctx,Throwable cause){
        cause.printStackTrace();
        ctx.close();
    }
}
